Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4338141 | Formation of zinc phosphate coating on metallic surface | Takashi Senzaki, Ryoichi Murakami, Kiyotada Yasuhara | 1982-07-06 |
| 4313770 | Method of producing cold rolled steel strip having improved press formability and bake-hardenability | Atsuki Okamoto | 1982-02-02 |
| 4311535 | Composition for forming zinc phosphate coating over metal surface | Kiyotada Yasuhara, Ryoichi Murakami, Takashi Senzaki | 1982-01-19 |